URI uri = URI.create("jar:" + gradleRuntimeApiInfoJar.getAbsoluteFile().toURI());
        try (FileSystem fs = FileSystems.newFileSystem(uri, Collections.emptyMap())) {
            Path upgradedPropertiesJson = fs.getPath(UPGRADED_PROPERTIES_FILE);
            if (Files.exists(upgradedPropertiesJson)) {

                it to it.readAcceptedChanges()
            }?.filterValues {
                it.acceptedApiChanges != null
            }?.mapValues {
                it.value.acceptedApiChanges!!
            } ?: emptyMap()
    }

    private
    fun File.readAcceptedChanges(): AcceptedApiChanges {
        val jsonString = this.readText()
        return Gson().fromJson(jsonString, AcceptedApiChanges::class.java)
    }

    /**

        }

        @Override
        public Map<Range<Comparable<?>>, Object> asMapOfRanges() {
          return emptyMap();
        }

        @Override
        public Map<Range<Comparable<?>>, Object> asDescendingMapOfRanges() {
          return emptyMap();
        }

        @Override
        public RangeMap<Comparable<?>, Object> subRangeMap(Range<Comparable<?>> range) {

            assertEquals(2, jdks.getToolchains().size());
        }
    }

    private PersistedToolchains read(InputStream is) throws IOException {
        return reader.read(is, Collections.emptyMap());
    }

            if (dependencyManagement != null) {
                Map<Object, Dependency> dependencies = new HashMap<>();
                Map<Object, Object> context = Collections.emptyMap();

                for (Dependency dependency : model.getDependencies()) {
                    Object key = getDependencyKey().apply(dependency);
                    dependencies.put(key, dependency);
                }

  }

  @CollectionSize.Require(ZERO)
  @CollectionFeature.Require(absent = NON_STANDARD_TOSTRING)
  public void testToString_size0() {
    assertEquals("emptyMap.toString should return {}", "{}", getMap().toString());
  }

  @CollectionSize.Require(ONE)
  @CollectionFeature.Require(absent = NON_STANDARD_TOSTRING)
  public void testToString_size1() {

            .add(SHORT_NAME, Collections.singletonMap("k1", "v1"))
            .add(LONG_NAME, Collections.singletonMap("k2", "v2"))
            .addValue(Collections.singletonMap("k3", "v3"))
            .addValue(Collections.emptyMap())
            .addValue(null)
            .add(SHORT_NAME, java.util.Optional.of("1"))
            .add(LONG_NAME, java.util.Optional.of("1"))
            .add(SHORT_NAME, java.util.Optional.empty())

                    return Nature.RELEASE;
            }
        } else {
            return Nature.RELEASE;
        }
    }

    public Map<String, String> getProperties() {
        return Collections.emptyMap();
    }

    @Override
    public Metadata setProperties(Map<String, String> properties) {
        return this;
    }

    @SuppressWarnings("deprecation")

import org.codelibs.fess.unit.UnitFessTestCase;

public class FieldConfigsTest extends UnitFessTestCase {
    public void test_empty() {
        final FieldConfigs fieldConfigs = new FieldConfigs(Collections.emptyMap());
        assertTrue(fieldConfigs.getConfig("test").isEmpty());
    }

    public void test_values() {
        final Map<String, String> params = Maps.of("foo", "bar");

  public void testBuilderPutAllWithEmptyMap() {
    ImmutableMap<String, Integer> map =
        new Builder<String, Integer>()
            .putAll(Collections.<String, Integer>emptyMap())
            .buildOrThrow();
    assertEquals(Collections.<String, Integer>emptyMap(), map);
  }

  public void testBuilderPutAll() {
    Map<String, Integer> toPut = new LinkedHashMap<>();
    toPut.put("one", 1);
    toPut.put("two", 2);